Challenge of Reverse Engineering

Hello, so I have created & protected a new UnpackMe for you. I added also some detect stuff [medium level]. Just start the exe file and press the splash. Have fun again. ENIGMA 2.33 UnpackMe.rar

View File ByTanimsiz Protector VM Try to devirt. Submitter Leopar36 Submitted 07/16/2021 Category UnPackMe (.NET)  

View File KoiVM Modded + CFEX Modded KoiVM + CFEX Good luck! Submitter 0x29A Submitted 03/26/2021 Category UnPackMe (.NET)  

Difficulty : 3 Language : Borland Platform : Windows X86 OS Version : XP and higher Packer / Protector : Enigma Protector 5.1 Description : Small unpackme. Is in fact a crackme that i have fund on the www and apply a Enigma protector layer. So the goal is to unpack. IMHO is not hard at all. So i give you a valid combo of HWID/name/key: HWID: 58603-7C96E-050B3-811FC NAME: giv@reversing.ro Key: KWFM62F-NMH8E94-BH2C98E-FDDEQHG-VK88BVD-PRXLNZA-FM6TWL7-U6NNJGL-3K5CMQY-BSXJM8W-LZ2NYTL-QWXQ69F-XBDPTNY-GWSNX2M-YTKJV9E-YHRWUPQ The file have a password too witch is very easy to bypass. Good luck! Screenshot : Crack Auth_Protected…

View File CrackMev2.exe Vmprotect 3.4 & Custom OB Vmprotect anti debug and VM protect is disabled Find the way & explain how Submitter Nope Submitted 07/15/2021 Category CrackMe  

View File ByTanimsizVM Obfuscator v2.0 Try to unpack or alternatively provide a serial. Submitter Leopar36 Submitted 03/11/2021 Category UnPackMe (.NET)  

Language : .NET Platform : Windows OS Version : All Packer / Protector : DNGuard 3.8.4.0 - Enterprise Description : Unpack this file it is DNGuard HVM. Screenshot : CM.rar

View File ILVirtualization (Custom Scratch VM) PLEASE NOTE THIS NOT MODDED PUBLIC VM, THANKS Difficulty : 4/10 Language : C# / .NET Windows OS Version : All Protection : ILVirtualization v1.0 Goals: Silver Medal: Clean Mutations. Gold Medal: Devirtualize The Code. Submitter CursedLand Submitted 06/28/2021 Category UnPackMe (.NET)  

View File DumpMe / DebugMe Hi, This Unpackme is Protected by Poe with an Anti-Dump / Anti-Debug Method. Your Job is to find the Password either by Dumping or Debugging It. Bronze - Find the Password either by Debugging or Dumping Silver - Complete Unpack the File. Gold - A Full Description + Silver Download from Attachment or from File Section. Hybrid Analysis - https://www.hybrid-analysis.com/sample/2bc04a9242f385308d2425ba10966bc41b12646676fccd121144170abe01f0bf/60c16b6ab0565951c6619493 Virustotal - https://www.virustotal.com/gui/file/2bc04a9242f385308d2425ba10966bc41b12646676fccd121144170abe01f0bf/detection …

View File NETGuard.IO Code Protector (26/05/2021) Unpack this File Properly. Change the Message. This File Use MSIL Code Encryption + Code Flow Protection Only. Bronze Medal - Partially Unpack + Change the Message Silver Medal - Fully Clean Code + A Brief Writeup Gold Medal - Fully Clean Code + A Complete Writeup of the Unpacking Process including Tool Link (if any Used Specifically) Submitter BlackHat Submitted 05/26/2021 Category UnPackMe (.NE…

Difficulty : 5/10Language : VB6 [Inmortal] Platform : Windows 32/64OS Version : All windowsPacker / Protector : None Description : 1) Try to get a Valid serial for your ID 2) Patch :/ (for good work Message) Anti Debug: 5/10 Anti Decompile: 3/10 Anti Tracing: 5/10 Anti Dump: 2/10 Anti Dump: 2/10 Extra: 8/10 Screenshot : Thanks RDG_Crackme_vb6_v0.1_2016.rar

Hi Attached file is simple VB6 File was protected with PeP latest Version so please try to unpack and then identify the way you used to beak it's protection. Thanks PeP_5.rar

Language : C# Platform : Windows OS Version : Windows 7 Above Packer / Protector : ConfuserEx Plus Extra Description : Provide key, how? UnPackMe.7z

View File Fu*ckuscator v1.1 Brand new obfuscator on the market. I've already completed this crackme but wanted to see what you guys come up with. Good luck! Submitter Asentrix Submitted 12/28/2020 Category CrackMe  

View File DiamondVM This is a c# file protected with DiamondVM, a KoiVM mod which is really good. No OldRob will desvirtualize it. Submitter DanielTG Submitted 03/19/2021 Category UnPackMe (.NET)  

Difficulty : Probably 8 Language : C# .NET Platform : Windows (anyCPU) OS Version : Windows 7 Above Packer / Protector : CursedSheepMod (Modded Conf + VM) Description : Upload the Unpacked file and Give me a detailed tutorial. like... tell me the specific method or specific tools you used in order. as i said in the previous unpack challenges XD. you know the rest. ConsoleApplication3.exe

Difficulty : 2-3 Language : .NET Platform : Windows OS Version : Windows7+ Packer / Protector : PandaObfuscator (Modded Confuser) with Custom VM Description : Just basic UnpackMe, want to see if my obfuscator good/bad Screenshot : GetMe.7z

View File Simple KeygenMe 02 Provide a valid serial and User ID or make a keygen. Good Luck. Submitter johnfkingzton Submitted 03/12/2021 Category KeygenMe  

Difficulty : 5 (I think) Not sure Language : C# Platform : Windows x32 OS Version : Windows All Packer / Protector : PC-RET protection v1.1 Bronze :just unpack it. Silver: unpack + password of programm Gold: unpack + password + tutorial VirusTotal: https://www.virustotal.com/ru/file/2d0cbe8416c8bc72d73945eecc16cf754488e7a07d26926330e8f59f14afd8ca/analysis/1546348036/ Unpackme.exe

View File Not easy but not hard CrackMe Try to find the key Hint : The key countains - Specials - Caps - Non caps - Numbers Enter the key and you will see the results. Good luck. Submitter lopeg Submitted 09/12/2020 Category CrackMe

View File Tricky Goals: Bronze - Patch the crackme to show the correct message Silver - Bronze + explain what is happening I don't know why Windows Defender is giving a false positive. My past here should prove I am not here to harm anyone. I only used Appfuscator for renaming. I checked the file and I did not see any other obfuscation or anything annoying automatically inserted by Appfuscator (like outline method calls). Please extract all the files in a folder to make the exe work properly. Let's fight! Submitter LoLLo90 Submitted…

Language : C# Platform : Windows Build : x86-x64 Packer/Obfuscator : SafeVM Description : Anti-VM (Removed). I want to see how strong the protection is. Screenshot : UnpackME-OUT.rar

View File ClumsyVM This is my clumsy virtual machine 😃 Goals: Bronze - Patch the crackme to show the correct message Silver - Bronze + explain how the virtualized code works Gold - Silver + write a totally different virtualized code to pass the check Submitter LoLLo90 Submitted 01/31/2021 Category CrackMe  

View File godpow#7468 CrackMe This has an anti-debugger which will constantly look for strings that'll contain the name of debuggers such as De4dot and more.. Submitter henlo Submitted 12/08/2020 Category CrackMe  

GOOD LUCK **this tool no have much protection** How to unpack by Inwza007: 1. use ManagedJiterFr4 jit UnpackMe and CrackMe.exe and ____.netmodule 2. use confuser Methods Decryptor 1.0 3. use Module to Assembly 4.use Universal Fixer 1.0 5. Clean String with SAE 5. UnpackMe and CrackMe.rar